Protease, which aids the hydrolysis of peptide bonds and proteins to amino acids

Lactase, which splits milk sugar lactose, to produce the glucose and galactose

Lipase, which breaks down fats

Cellulase, which breaks down cellulose fibres.

Enzymes are biological molecules (proteins) that act as catalysts and help complex reactions occur everywhere in life. These enzymes help to break down carbohydrate, lactose, cellulose fibres, fats and protein.